220938026 has 16 divisors (see below), whose sum is σ = 346792104. Its totient is φ = 105453504.

The previous prime is 220938007. The next prime is 220938031. The reversal of 220938026 is 620839022.

It can be written as a sum of positive squares in 4 ways, for example, as 190412401 + 30525625 = 13799^2 + 5525^2 .

It is a super-2 number, since 2×220938026² = 97627222665553352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220937983 and 220938001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24245 + ... + 32088.

Almost surely, 2^220938026 is an apocalyptic number.

220938026 is a deficient number, since it is larger than the sum of its proper divisors (125854078).

220938026 is a wasteful number, since it uses less digits than its factorization.

220938026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56425.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 220938026 is about 14863.9841899808. The cubic root of 220938026 is about 604.5378397916.

The spelling of 220938026 in words is "two hundred twenty million, nine hundred thirty-eight thousand, twenty-six".